009: Polish bacon fixes, OTA host scripts, and migration docs.

Restore disable_configstore, EuiccDisabler and thermal CDEV guards, branding
and rebuild/sync helpers; document device roles, laptop migration, and Gitea.

Co-authored-by: Cursor <cursoragent@cursor.com>

docs/009-lab-acceptance-20261002-uss5.md

@@ -1,3 +1,7 @@
+<!-- Status: historical — Magisk 009 ship resume: docs/009-handoff-20261008.md -->
+
+> **Status: historical.** Do not use as execution order. Resume: [`009-handoff-20261008.md`](009-handoff-20261008.md).
+
 # LAB acceptance — 20261002T162840Z (US-S5-1 Yama + SLAB_FREELIST_RANDOM)
 
 Device: `11231JEC207477`